Data Sheet
FEATURES
1.8 V to 5.5 V single supply
4 Ω (max) on resistance
Low on resistance flatness
−3 dB bandwidth >200 MHz
Tiny package options
8-lead MSOP
3 mm × 2 mm LFCSP (A grade)
Fast switching times
t
ON
, 20 ns
t
OFF
, 10 ns
Low power consumption (<0.1 μW)
TTL/CMOS compatible
CMOS, Low Voltage, 4 Ω Dual SPST
Switches in 3 mm × 2 mm LFCSP
ADG721/ADG722/ADG723
FUNCTIONAL BLOCK DIAGRAMS
ADG721
S1
IN1
D1
D2
IN2
00045-001
ADG722
S1
IN1
D1
D2
IN2
00045-002
S2
S2
Figure 1.
Figure 2.
ADG723
S1
IN1
D1
D2
IN2
S2
00045-003
APPLICATIONS
USB 1.1 signal switching circuits
Cell phones
PDAs
Battery-powered systems
Communication systems
Sample hold systems
Audio signal routing
Video switching
Mechanical reed relay replacement
SWITCHES SHOWN FOR
A LOGIC "0" INPUT
Figure 3.
GENERAL DESCRIPTION
The ADG721, ADG722, and ADG723 are monolithic CMOS
SPST switches. These switches are designed on an advanced
submicron process that provides low power dissipation yet gives
high switching speed, low on resistance, and low leakage
currents. The devices are packaged in both a tiny 3 mm × 2 mm
LFCSP and an MSOP, making them ideal for space-constrained
applications.
The ADG721, ADG722, and ADG723 are designed to operate
from a single 1.8 V to 5.5 V supply, making them ideal for use
in battery-powered instruments and with the new generation of
DACs and ADCs from Analog Devices, Inc.
The ADG721, ADG722, and ADG723 contain two independent
single-pole/single-throw (SPST) switches. The ADG721 and
ADG722 differ only in that both switches are normally open
and normally closed, respectively. In the ADG723, Switch 1 is
normally open and Switch 2 is normally closed.
Each switch of the ADG721, ADG722, and ADG723 conducts
equally well in both directions when on. The ADG723 exhibits
break-before-make switching action.
PRODUCT HIGHLIGHTS
1.
2.
3.
4.
5.
6.
1.8 V to 5.5 V single-supply operation.
Very low R
ON
(4 Ω max at 5 V, 10 Ω max at 3 V).
Low on resistance flatness.
−3 dB bandwidth >200 MHz.
Low power dissipation. CMOS construction ensures low
power dissipation.
8-lead MSOP and 3 mm × 2 mm LFCSP.
Rev. E
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other
rights of third parties that may result from its use. Specifications subject to change without notice. No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarks and registered trademarks are the property of their respective owners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
www.analog.com
Fax: 781.461.3113 ©2004-2011 Analog Devices, Inc. All rights reserved.
ADG721/ADG722/ADG723
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications ....................................................................................... 1
Functional Block Diagrams ............................................................. 1
General Description ......................................................................... 1
Product Highlights ........................................................................... 1
Revision History ............................................................................... 2
Specifications..................................................................................... 3
Absolute Maximum Ratings............................................................ 5
ESD Caution .................................................................................. 5
Pin Configuration and Pin Descriptions ....................................... 6
Data Sheet
Terminology .......................................................................................7
Typical Performance Characteristics ..............................................8
Test Circuits ..................................................................................... 10
Applications..................................................................................... 12
ADG721/ADG722/ADG723 Supply Voltages ....................... 12
On Response vs. Frequency ...................................................... 12
Off Isolation ................................................................................ 12
Outline Dimensions ....................................................................... 13
Ordering Guide .......................................................................... 14
REVISION HISTORY
10/11—Rev. D to Rev. E
Changes to Ordering Guide ...............................................................
4/11—Rev. C to Rev. D
Changes to Ordering Guide .......................................................... 14
1/11—Rev. B to Rev. C
Changes to Table 4 ............................................................................ 6
Changes to Ordering Guide .......................................................... 14
2/07—Rev. A to Rev. B
Updated Format .................................................................. Universal
Changes to Specifications ................................................................ 3
Changes to Absolute Maximum Ratings ....................................... 5
Change to Figure 4 ........................................................................... 6
Updated Outline Dimensions ....................................................... 13
Changes to Ordering Guide .......................................................... 13
3/04—Rev. 0 to Rev. A
Additions to Applications ................................................................ 1
Changes to Ordering Guide ............................................................ 4
Updated Outline Dimensions ....................................................... 10
Rev. E | Page 2 of 16
Data Sheet
SPECIFICATIONS
V
DD
= 5 V ± 10%, GND = 0 V. All specifications −40°C to +85°C, unless otherwise noted.
Table 1.
Parameter
ANALOG SWITCH
Analog Signal Range
On Resistance, R
ON
On Resistance Match Between Channels, ∆R
ON
On Resistance Flatness, R
FLAT(ON)
LEAKAGE CURRENTS – A Grade
Source off Leakage, I
S
(OFF)
Drain off Leakage, I
D
(OFF)
Channel on Leakage, I
D
, I
S
(ON)
LEAKAGE CURRENTS – B Grade
Source off Leakage, I
S
(OFF)
Drain off Leakage, I
D
(OFF)
Channel on Leakage, I
D
, I
S
(ON)
DIGITAL INPUTS
Input High Voltage, V
INH
Input Low Voltage, V
INL
Input Current
I
INL
or I
INH
DYNAMIC CHARACTERISTICS
t
ON
t
OFF
Break-Before-Make Time Delay, t
D
(ADG723 Only)
Charge Injection
Off Isolation
Channel-to-Channel Crosstalk
Bandwidth −3 dB
C
S
(OFF)
C
D
(OFF)
C
D
, C
S
(ON)
POWER REQUIREMENTS
I
DD
1
2
ADG721/ADG722/ADG723
A, B Grade
1
+25°C
−40°C to +85°C
0 to V
DD
2.5
4
0.3
0.85
1.5
±0.01
±0.01
±0.01
±0.01
±0.25
±0.01
±0.25
±0.01
±0.25
5
1.0
Unit
V
Ω typ
Ω max
Ω typ
Ω max
Ω typ
Ω max
nA typ
nA typ
nA typ
nA typ
nA max
nA typ
nA max
nA typ
nA max
V min
V max
μA typ
μA max
ns typ
ns max
ns typ
ns max
ns typ
ns min
pC typ
dB typ
dB typ
dB typ
dB typ
MHz typ
pF typ
pF typ
pF typ
μA typ
μA max
Test Conditions/Comments
V
S
= 0 V to V
DD
, I
S
= −10 mA
See Figure 12
V
S
= 0 V to V
DD
, I
S
= −10 mA
V
S
= 0 V to V
DD
, I
S
= −10 mA
V
DD
= 5.5 V
V
S
= 4.5 V/1 V, V
D
= 1 V/4.5 V, see Figure 13
V
S
= 4.5 V/1 V, V
D
= 1 V/4.5 V, see Figure 13
V
S
= V
D
= 1 V or V
S
= V
D
= 4.5 V, see Figure 14
V
DD
= 5.5 V
V
S
= 4.5 V/1 V, V
D
= 1 V/4.5 V
Test Circuit 2
V
S
= 4.5 V/1 V, V
D
= 1 V/4.5 V
See Figure 13
V
S
= V
D
= 1 V or V
S
= V
D
= 4.5 V
See Figure 14
±0.35
±0.35
±0.35
2.4
0.8
0.005
±0.1
2
V
IN
= V
INL
or V
INH
14
20
6
10
7
1
2
−60
−80
−77
−97
200
7
7
18
0.001
1.0
R
L
= 300 Ω, C
L
= 35 pF
V
S
= 3 V, see Figure 15
R
L
= 300 Ω, C
L
= 35 pF
V
S
= 3 V, see Figure 15
R
L
= 300 Ω, C
L
= 35 pF
V
S1
= V
S2
= 3 V, see Figure 16
V
S
= 2 V, R
S
= 0 Ω, C
L
= 1 nF, see Figure 17
R
L
= 50 Ω, C
L
= 5 pF, f = 10 MHz
R
L
= 50 Ω, C
L
= 5 pF, f = 1 MHz, see Figure 18
R
L
= 50 Ω, C
L
= 5 pF, f = 10 MHz
R
L
= 50 Ω, C
L
= 5 pF, f = 1 MHz, see Figure 19
R
L
= 50 Ω, C
L
= 5 pF, see Figure 20
V
DD
= 5.5 V
Digital inputs = 0 V or 5 V
Temperature range: A, B grades, −40°C to +85°C. All specifications apply to both grades unless otherwise stated.
Guaranteed by design; not subject to production test.
Rev. E | Page 3 of 16
ADG721/ADG722/ADG723
V
DD
= 3 V ± 10%, GND = 0 V. All specifications −40°C to +85°C, unless otherwise noted.
Table 2.
Parameter
ANALOG SWITCH
Analog Signal Range
On Resistance, R
ON
On Resistance Match Between Channels, ∆R
ON
On Resistance Flatness, R
FLAT(ON)
LEAKAGE CURRENTS – A Grade
Source off Leakage, I
S
(OFF)
Drain off Leakage, I
D
(OFF)
Channel on Leakage, I
D
, I
S
(ON)
LEAKAGE CURRENTS – B Grade
Source off Leakage, I
S
(OFF)
Drain off Leakage, I
D
(OFF)
Channel on Leakage, I
D
, I
S
(ON)
DIGITAL INPUTS
Input High Voltage, V
INH
Input Low Voltage, V
INL
Input Current
I
INL
or I
INH
DYNAMIC CHARACTERISTICS
2
t
ON
t
OFF
Break-Before-Make Time Delay, t
D
(ADG723 Only)
Charge Injection
Off Isolation
Channel-to-Channel Crosstalk
Bandwidth −3 dB
C
S
(OFF)
C
D
(OFF)
C
D
, C
S
(ON)
POWER REQUIREMENTS
I
DD
1
2
Data Sheet
A, B Grades
1
+25°C
−40°C
to +85°C
0 to V
DD
6.5
10
0.3
1.0
3.5
±0.01
±0.01
±0.01
±0.01
±0.25
±0.01
±0.25
±0.01
±0.25
Unit
V
Ω typ
Ω max
Ω typ
Ω max
Ω typ
nA typ
nA typ
nA typ
nA typ
nA max
nA typ
nA max
nA typ
nA max
V min
V max
μA typ
μA max
ns typ
ns max
ns typ
ns max
ns typ
ns min
pC typ
dB typ
dB typ
dB typ
dB typ
MHz typ
pF typ
pF typ
pF typ
μA typ
μA max
Test Conditions/Comments
V
S
= 0 V to V
DD
, I
S
= −10 mA
See Figure 12
V
S
= 0 V to V
DD
, I
S
= −10 mA
V
S
= 0 V to V
DD
, I
S
= −10 mA
V
DD
= 3.3 V
V
S
= 3 V/1 V, V
D
= 1 V/3 V, see Figure 13
V
S
= 3 V/1 V, V
D
= 1 V/3 V, see Figure 13
V
S
= V
D
= 1 V or 3 V, Figure 14
V
DD
= 3.3 V
V
S
= 3 V/1 V, V
D
= 1 V/3 V
See Figure 13
V
S
= 3 V/1 V, V
D
= 1 V/3 V
See Figure 13
V
S
= V
D
= 1 V or 3 V
See Figure 14
±0.35
±0.35
±0.35
2.0
0.4
0.005
±0.1
16
24
7
11
7
1
2
−60
−80
−77
−97
200
7
7
18
0.001
1.0
V
IN
= V
INL
or V
INH
R
L
= 300 Ω, C
L
= 35 pF
V
S
= 2 V, see Figure 15
R
L
= 300 Ω, C
L
= 35 pF
V
S
= 2 V, see Figure 15
R
L
= 300 Ω, C
L
= 35 pF
V
S1
= V
S2
= 2 V, see Figure 16
V
S
= 1.5 V, R
S
= 0 Ω, C
L
= 1 nF, see Figure 17
R
L
= 50 Ω, C
L
= 5 pF, f = 10 MHz
R
L
= 50 Ω, C
L
= 5 pF, f = 1 MHz, see Figure 18
R
L
= 50 Ω, C
L
= 5 pF, f = 10 MHz
R
L
= 50 Ω, C
L
= 5 pF, f = 1 MHz, see Figure 19
R
L
= 50 Ω, C
L
= 5 pF, see Figure 20
V
DD
= 3.3 V
Digital inputs = 0 V or 3 V
Temperature range: A, B Grades, −40°C to +85°C. All specifications apply to both grades unless otherwise stated.
Guaranteed by design; not subject to production test.
Rev. E | Page 4 of 16
Data Sheet
ABSOLUTE MAXIMUM RATINGS
T
A
= 25°C unless otherwise noted.
Table 3.
Parameter
V
DD
to GND
Analog, Digital Inputs
1
Continuous Current, S or D
Operating Temperature Range
Industrial (A, B Grade)
Storage Temperature Range
Junction Temperature
8-Lead MSOP
θ
JA
Thermal Impedance
θ
JC
Thermal Impedance
8-Lead LFCSP (4-Layer Board)
θ
JA
Thermal Impedance
1
Lead Temperature, Soldering
Vapor Phase (60 sec)
Infrared (15 sec)
Lead-Free Temperature,
Soldering
IR Reflow, Peak Temperature
Time at Peak Temperature
ESD
1
ADG721/ADG722/ADG723
Rating
−0.3 V to +7 V
−0.3 V to V
DD
+ 0.3 V or 30 mA,
whichever occurs first
30 mA
−40°C to +85°C
−65°C to +150°C
+150°C
206°C/W
44°C/W
50.8°C/W
215°C
220°C
Stresses above those listed under Absolute Maximum Ratings
may cause permanent damage to the device. This is a stress
rating only; functional operation of the device at these or any
other conditions above those indicated in the operational
section of this specification is not implied. Exposure to absolute
maximum rating conditions for extended periods may affect
device reliability.
ESD CAUTION
260°C (+0/−5°C)
10 sec to 40 sec
2 kV
Assumes exposed paddle is tied to ground.
Rev. E | Page 5 of 16
Microcontroller MCU
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